Do Nascar officials know what their doing with the COT.?

Q: I heard that the COT that started out in the opening of the season is totally different than the one their using now? Clarification please?

A: To make a long story short. Remember the tire failures at the Brickyard? NASCAR publically said, "This car is new and they are still learning about the car". No they don't know what they are doing. They are feeling their way in the dark with the COT.

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